A member of an opposition group led by the former chess champion Garry Kasparov was released Monday from a psychiatric clinic after being held against her will for 46 days, a spokeswoman for the group said.

A member of an opposition group led by the former chess champion Garry Kasparov was released Monday from a psychiatric clinic after being held against her will for 46 days, a spokeswoman for the group said.

Former oil tycoon Mikhail Khodorkovsky, who was Russia's richest man before the government dismantled his empire, was convicted Tuesday of fraud and tax evasion and then sentenced to nine years in prison following a trial widely denounced as politically motivated.